Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
[cris-mirror.git] / drivers / gpu / host1x / channel.h
blob7068e42d42df47cd3778ea3982e4590e7e2b46a9
1 /*
2 * Tegra host1x Channel
4 * Copyright (c) 2010-2013, NVIDIA Corporation.
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms and conditions of the GNU General Public License,
8 * version 2, as published by the Free Software Foundation.
10 * This program is distributed in the hope it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
13 * more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 #ifndef __HOST1X_CHANNEL_H
20 #define __HOST1X_CHANNEL_H
22 #include <linux/io.h>
23 #include <linux/kref.h>
25 #include "cdma.h"
27 struct host1x;
28 struct host1x_channel;
30 struct host1x_channel_list {
31 struct host1x_channel *channels;
32 unsigned long *allocated_channels;
35 struct host1x_channel {
36 struct kref refcount;
37 unsigned int id;
38 struct mutex submitlock;
39 void __iomem *regs;
40 struct device *dev;
41 struct host1x_cdma cdma;
44 /* channel list operations */
45 int host1x_channel_list_init(struct host1x_channel_list *chlist,
46 unsigned int num_channels);
47 void host1x_channel_list_free(struct host1x_channel_list *chlist);
48 struct host1x_channel *host1x_channel_get_index(struct host1x *host,
49 unsigned int index);
51 #endif